A top Equinox coach shares 5 dumbbell chest exercises that build real strength after 55, no machines required.

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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The major muscle in ...

Add Yahoo as a preferred source to see more of our stories on Google. For a lot of serious bodybuilders, it’s simply not enough to lift the weights—they take the extra mental step of actively thinking ...

Love them or hate them, push ups are a great exercise for strengthening your chest, shoulders, and even your back. If you fall into the latter category however, there’s good news — you can build your ...